TITLE: GCN GRB OBSERVATION REPORT NUMBER: 3188 SUBJECT: GRB050408: MASTER optical observations DATE: 05/04/08 18:01:34 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V. Lipunov, A.Krylov, V.Kornilov, G.Borisov, D.Kuvshinov, A.Belinski, M.Kuznetsov, S.Potanin, G.Antipov, E.Gorbovskoy, N.Tyurina Sternberg Astronomical Institute, Moscow After HETE alert 3711 MASTER robotic telescope (http://observ.pereplet.ru) had imaging the corresponding area of the sky under the bad weather conditions at 17h21m53.75 UT (1h 09m after GRB Time, OUR SUNSET ). There are no new object up to 14.7 on unfiltered image of the error box (30s exposition, 6 square degrees field). The JPG-images are available at http://observ.pereplet.ru/images/GRB050408/1.jpg This is preliminary result. Observations are continuing. This message may be cited. This work is supported by Moscow Union "Optic" and partly supported by RFFI 04-02-16411. Mailto: lipunov@sai.msu.ru